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Wal-Mart to match rivals' Black Friday deals

Wal-Mart continues to throw its weight around this holiday season, announcing on Sunday a slew of Thanksgiving-week deals aimed at grabbing market share from competitors.

The discount giant will kick off three days of savings on Thanksgiving Day, with about 150 online-only deals.

Then at midnight, the vast majority of Wal-Mart stores will open for 24 hours; in a blow to rivals, the chain says it will match competitors' advertised Black Friday prices. In case you're not full from all that turkey and stuffing, stores will fuel shoppers with free treats including breakfast bars, doughnut holes, gum and Hershey Kisses.

Wal-Mart's electronics savings, which go on sale at 5 a.m. on Friday, include: